柴达木盆地北缘湖泊表层沉积物炭屑特征及其环境意义
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Characteristics of microcharcoal in the lake surface sediments in the northern margin of Qaidam Basin of China and its environmental significance
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图2. 光学显微镜下炭屑、石松孢子和有机质 |
Fig.2. Microcharcoals, Lycopodium spores and organic matters under the microscope |
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